OpenTechnical

OT-2026-000041629

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000041629) never changes.

Identity and time

Publication numberOT-2026-000041629 · never reused
Internal UUID01a0ae79-e8a0-7793-b9f0-d2352fdc3125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041629
StatusPUBLIC

Content hashes

Canonical textadb6bad3f1be7b36e828607f4e9f8cd0da63ea03192f030ab2d4cc863a0a291d
Markdowna6c27311382566d8f7822bde4dca486e8a93696f4b8a175ddd5bb2be10cf1c44
PDF
Publication paged91f5f0a092e1100980647f65820826c756b954497f10b8bd8e405a8833e1296
Manifest9538526af220308018228590d1b3902dc7ee5c1dae92f507d3a3f5196c9be8fd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDKM31P+G8OXkk126110AcqCKToO+hzB2G0siPmZsZekWSI6zAnp31fBIuN4R+k2LzziPSf//QdVrnnEJ8AOGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:25.645254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041629
observed d91f5f0a092e1100980647f65820826c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.626480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041629/manifest.json
observed 9538526af220308018228590d1b3902d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.607898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041629/publication.md
observed a6c27311382566d8f7822bde4dca486e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.589695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041629/publication.txt
observed adb6bad3f1be7b36e828607f4e9f8cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.